CHARLESTON, SC The brown liquid a man sprayed onto to some of the produce in a Charleston grocery store has been determined to be feces. Pau S. Hang, 41, is accused of spraying a brown liquid from a spray bottle on produce at a Charleston Harris Teeter on Oct. 15. The brown liquid has tested positive for components of fecal matter, according to the Charleston Police Department. Hang was originally charged with damage to personal property. An additional charge of tampering with human drug product or food item has been filed against Hang, according to public information officer Charles Francis....